Texas Sheet Cake

2 cubes butter
2 T. cocoa
1 cup water
Bring to boil, then add,
2 cups flour
2 cup sugar
2 eggs
1 t. vanilla
½ cup buttermilk
1 t. soda
1 t. baking powder
Mix well. Bake @ 400* for 15 mins.
Frosting:
Bring to a boil 1 cube butter
4 T. cocoa
1/3 cup buttermilk
Add 3 ¾ cups powdered sugar and 1 t. vanilla. Pour over warm cake. Use 11x16x1 pan.
Grandma Moss